TRAIN APPROACH ALARMING DEVICE,申请号JP19900287657-传众专利搜索

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发明名称	TRAIN APPROACH ALARMING DEVICE
摘要
申请公布号	JPH04163273(A)	申请公布日期	1992.06.08
申请号	JP19900287657	申请日期	1990.10.24
申请人	MITSUBISHI CABLE IND LTD;KAWASOO TEKUSERU KK	发明人	NAKAJIMA KATSUJI;KUBOTA KAZUMA
分类号	G08B21/00;B61L23/06;B61L25/02;H04Q9/00	主分类号	G08B21/00
代理机构		代理人
主权项
地址

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